Year	SPI (scale 0-100)
2004	20
2005	20
2006	20
2007	20
2008	20
2009	20
2010	40
2011	40
2012	40
2013	40
2014	40
2015	60
2016	70
2017	70
2018	70
2019	70
2020	80
2021	80
2022	80